Hinged flip cover mechanism of toilet seat cover

Abstract

A hinged flip cover mechanism of toilet seat cover, includes a main body, a toilet seat cover, and a hinge module. The toilet seat cover is connected to the main body via the hinge module. The hinge module comprises a first hinge crank and a second hinge crank, the first end of the first hinge crank is slidably coupled to the rear portion of the toilet seat cover, the second end of the first hinge crank is rotatably connected to the main body; the first end of the second hinge crank is slidably coupled to the main body, the second end of the second hinge crank is rotatably connected to the rear portion of the toilet seat cover; the central portions of the first hinge crank and the second hinge crank are pivoted to each other.

1 . A hinged flip cover mechanism of toilet seat cover, comprising a main body and a toilet seat cover, wherein further comprising a hinge module, the toilet seat cover is connected to the main body via the hinge module, when the toilet seat cover is flipped up, the gap between the seat cover and the main body is gradually increased during the lifting of the seat cover, when the seat cover is closed, the gap between the seat cover and the main body is gradually decreased during the closing of the seat cover. 
     
     
         2 . The hinged flip cover mechanism of toilet seat cover according to  claim 1 , wherein the hinge module comprises a first hinge crank and a second hinge crank, the first hinge crank is disposed with a first end and a second end, the first end of the first hinge crank is slidably coupled to the rear portion of the toilet seat cover, the second end of the first hinge crank is rotatably connected to the main body; the second hinge crank is disposed with a first end and a second end, the first end of the second hinge crank is slidably coupled to the main body, the second end of the second hinge crank is rotatably connected to the rear portion of the toilet seat cover; the central portions of the first hinge crank and the second hinge crank are pivoted to each other. 
     
     
         3 . The hinged flip cover mechanism of toilet seat cover according to  claim 1 , wherein the hinge module comprises a front support base, a rear support base, a first hinge crank and a second hinge crank, the front support base is assembled to the rear portion of the toilet seat cover, the rear support base is assembled to the main body, the first hinge crank is disposed with a first end and a second end, the first end of the first hinge crank is slidably coupled to the front support base, the second end of the first hinge crank is rotatably connected to the rear support base, the second hinge crank is disposed with a first end and a second end, the first end of the second hinge crank is slidably coupled to the rear support base, the second end of the second hinge crank is rotatably connected to the front support base, the central portions of the first hinge crank and the second hinge crank are pivoted to each other. 
     
     
         4 . The hinged flip cover mechanism of toilet seat cover according to  claim 2 , wherein further comprising a driving mechanism, the driving mechanism is connected to the first hinge crank or the second hinge crank in driving way to drive the hinge module to flip up or close the toilet seat cover. 
     
     
         5 . The hinged flip cover mechanism of toilet seat cover according to  claim 2 , wherein further comprising a driving mechanism, the driving mechanism is connected between the toilet seat cover and the main body in driving way to drive the hinge module to flip up or close the toilet seat cover. 
     
     
         6 . The hinged flip cover mechanism of toilet seat cover according to  claim 2 , wherein the rear portion of the toilet seat cover is disposed with two axial sliding grooves in left-right position at the portion assembling the hinge module, the front portion of the main body is disposed with two axial sliding grooves in left-right position at the portion assembly the hinge module, the first end of the first hinge crank and the second hinge crank are respectively disposed with a sliding shaft, two ends of the slide shaft of the first hinge crank are respectively slidably disposed in the two axial sliding grooves of the toilet seat cover, two ends of the sliding shaft of the second hinge crank are respectively slidably disposed in the two axial sliding grooves of the main body. 
     
     
         7 . The hinged flip cover mechanism of toilet seat cover according to  claim 3 , wherein the front support base and the rear support base are respectively disposed with a chamber in the axial direction, two opposite side walls of the chamber of the front support base are respectively disposed with an axial sliding groove, two opposite side walls of the chamber of the rear support base are respectively disposed with an axial sliding groove, the first end of the first hinge crank and the second hinge crank are respectively disposed with a sliding shaft, two ends of the sliding shaft of the first hinge crank are respectively slidably disposed in the two axial sliding grooves of the chamber of the front support base, so that the first hinge crank is able to insert to the chamber of the front support base and extend out of the chamber of the front support base, two ends of the sliding shaft of the second hinge crank are respectively slidably disposed in the two axial sliding grooves of the rear support base, so that the second hinge crank is able to insert to the chamber of the rear support base and extend out of the chamber of the rear support base. 
     
     
         8 . The hinged flip cover mechanism of toilet seat cover according to  claim 4 , wherein the driving mechanism comprises a driving gear and a rack, the rear is slidably forward and backward assembled to the main body or the toilet seat cover, the first end of the rack is rotatably connected to the first end of the second hinge crank, the driving gear is engaged to the rack. 
     
     
         9 . (canceled) 
     
     
         10 . The hinged flip cover mechanism of toilet seat cover according to  claim 4 , wherein the driving mechanism comprises a driving shaft, the driving shaft is coaxially linked to the second end of the first hinge rank or the second hinge rank: the hinge flip mechanism further comprises a gear case or a slow-down mechanism the output shaft of the gear case or the slow-down mechanism is the driving shaft, or the output shaft of the gear case or the slow-down mechanism is fixedly connected to the driving shaft. 
     
     
         11 . (canceled) 
     
     
         12 . (canceled) 
     
     
         13 . (canceled) 
     
     
         14 . The hinged flip cover mechanism of toilet seat cover according to  claim 8 , wherein further comprising a gear case or a slow-down mechanism, the driving gear is assembled to the output shaft of the gear case or the slow-down mechanism. 
     
     
         15 . (canceled) 
     
     
         16 . The hinged flip cover mechanism of toilet seat cover according to  claim 5 , wherein the driving mechanism comprises a chain wheel and a chain, one end of the chain is connected to the rear portion of the toilet seat cover, the rest portion of the chain is movably forward and backward placed in the main body; the chain wheel is engaged to the chain. 
     
     
         17 . The hinged flip cover mechanism of toilet seat cover according to  claim 16 , wherein further comprising a gear case or a slow-down mechanism, the chain wheel is assembled to the output shaft of the gear case or the slow-down mechanism. 
     
     
         18 . The hinged flip cover mechanism of toilet seat cover according to  claim 1 , wherein the main body is a toilet rear cover, the toilet seat cover comprises a toilet upper cover and/or toilet seat. 
     
     
         19 . The hinged flip cover mechanism of toilet seat cover according to  claim 3 , wherein further comprising a driving mechanism, the driving mechanism is connected to the first hinge crank or the second hinge crank in driving way to drive the hinge module to flip up or close the toilet seat cover. 
     
     
         20 . The hinged flip cover mechanism of toilet seat cover according to  claim 3 , wherein further comprising a driving mechanism, the driving mechanism is connected between the toilet seal cover and the main body in driving way to drive the hinge module to flip up or close the toilet seat cover. 
     
     
         21 . The hinged flip cover mechanism of toilet seat cover according to  claim 19 , wherein the driving mechanism comprises a driving gear and a rack, the rear is slidably forward and backward assembled to the main body or the toilet seat cover, the first end of the rack is rotatably connected to the first end of the second hinge crank, the driving gear is engaged to the rack. 
     
     
         22 . The hinged flip cover mechanism of toilet seat cover according to  claim 19 , wherein the driving mechanism comprises a driving shaft the driving shaft is coaxially linked to the second end of the first hinge rank or the second hinge rank; the hinge flip mechanism further comprises a gear case or a slow-down mechanism, the output shaft of the gear case or the slow-down mechanism is the driving shaft, or the output shaft of the gear case or the slow-down mechanism is fixedly connected to the driving shaft. 
     
     
         23 . The hinged flip-cover mechanism of toilet seat cover according to  claim 21 , wherein further comprising a gear case or a slow down mechanism the driving gear is assembled to the output shaft of the gear case or the slow-down mechanism. 
     
     
         24 . The hinged flip-cover mechanism of toilet seat cover according to  claim 20 , wherein the driving mechanism comprises a chain wheel and a chain, one end of the chain is connected to the rear portion of the toilet seat cover, the rest portion of the chain is movably forward and backward placed in the main body; the chain wheel is engaged to the chain. 
     
     
         25 . The hinged flip-cover mechanism of toilet seat cover according to  claim 24 , wherein further comprising a gear case or a slow-down mechanism, the chain wheel is assembled to the output shaft of the gear case or the slow down mechanism.